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基于Nc-5基因的新孢子虫病PCR诊断方法的建立 被引量:3

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摘要 根据GenBank上登录的犬新孢子虫Nc-5基因序列(AF061249),利用Primer Premier 5.0软件设计1对特异性引物,以牛源犬新孢子虫吉林株DNA为模板建立了PCR诊断方法。结果显示:建立的PCR方法扩增片段大小为608 bp,克隆基因测得序列与美国株(AF061249)同源性为99%;该方法扩增不出弓形虫、牛瑟氏泰勒虫等基因片段;扩增样本DNA含量为26.5 fg,具有较好的特异性和敏感性;应用建立的PCR方法与环介导等温扩增(LAMP)进行比较,其阳性符合率达100%。说明建立的PCR诊断方法具有特异、敏感、快速等优点,完全适用于新孢子虫病的诊断。
出处 《畜牧与兽医》 北大核心 2011年第12期62-65,共4页 Animal Husbandry & Veterinary Medicine
基金 吉林省自然科学基金资助项目(201115230)
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共引文献29

同被引文献21

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